The film explains the fundamentals of acoustics, detailing how sound waves travel through air, the effects of temperature on sound speed, and the phenomenon of refraction. It describes the anatomy of ...

Introduction How well do you know your eardrums? You probably know that your eardrum is an essential part of your ear, allowing you to hear the world around you. But why do we call it a drum? It turns ...

The ear has three zones, the outer, middle and inner ear. The inner ear contains hair cells which are tiny cells with protruding microscopic hair-like projections. They work somewhat like microphones, ...

HUMAN BEINGS are good at locating the sources of sounds. Even when blindfolded, most people can point to within ten degrees of the true direction of a sound’s origin. This is a useful knack for ...